Fix bug #9371 (Math Preview doesn’t work in LuaTeX and XeTeX output modes by default)

src/graphics/PreviewLoader.cpp

@@ -568,8 +568,6 @@ void PreviewLoader::Impl::startLoading(bool wait)
 	}
 	of << "\\batchmode\n";
 	dumpPreamble(os);
-	// handle inputenc etc.
-	buffer_.params().writeEncodingPreamble(os, features);
 	of << "\n\\begin{document}\n";
 	dumpData(of, inprogress.snippets);
 	of << "\n\\end{document}\n";

status.21x

@@ -223,6 +223,8 @@ What's new
 
 - Fix wrong alignment of inline previews occurring in some cases (bug 7850).
 
+- Fix math preview for LuaTeX or XeTeX default output mode (bug 9371).
+
 
 * INTERNALS